[llvm] [DXIL][Analysis] Collect Function properties in Metadata Analysis (PR #105728)

[Xiang Li via llvm-commits]

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@@ -19,12 +20,16 @@ namespace llvm {
 
 namespace dxil {
 
+struct FunctionProperties {
+  unsigned NumThreads[3];
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python3kgae wrote:

We might need to put things in a union since not every shader profile has NumThreads.
Something like the PipelinePSVInfo union in PSV https://github.com/llvm/llvm-project/blob/main/llvm/include/llvm/BinaryFormat/DXContainer.h#L238

https://github.com/llvm/llvm-project/pull/105728